<template>
  <el-form ref="deptForm" label-width="120px" :model="form" :rules="rules">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in list" :key="item.id" :value="item.username" :label="item.username" />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeeSimple } from '@/api/employees'
import { addDepartments, getDepartDetail, updateDepartments } from '@/api/departments'

export default {
  name: 'DepDIalog',
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 部门编码自定义验证
    const validCode = (rule, value, callback) => {
    //   console.log('this.originList', this.originList)
      let existCodeList = this.originList.map(item => item.code)
      //   console.log('existCodeList', existCodeList)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (existCodeList.includes(value)) {
        callback(new Error(`该部门编码${value}已存在`))
      } else {
        callback()
      }
    }
    // 部门名称自定义验证
    const validName = (rule, value, callback) => {
    //   console.log('this.originList', this.originList)
      // 找所有的同级部门  pid相同的部门
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      // 编辑时找兄弟的处理
      if (this.isEdit) {
        // 只能获取到当前编辑的部门的id 获取到当前编辑部门的pid
        const pid = this.originList.find(item => item.id === this.id).pid
        // 通过pid去所有的部门找当前编辑部门的所有兄弟
        const brothers = this.originList.filter(item => item.pid === pid)
        // 排除自己
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
        // console.log('existNameList', existNameList)
      }
      if (existNameList.includes(value)) {
        callback(new Error(`该部门名称${value}已存在`))
      } else {
        callback()
      }
    }
    return {
      list: [],
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.loadEmployeeSimple()
    if (this.isEdit) { this.loadDepartDetail() }
  },
  methods: {
    // 在子组件中定义重置表单的方法 resetFields()重置整个表单
    resetFields() {
      this.$refs.deptForm.resetFields()
    },
    // 获取部门详情添加到表单中
    async loadDepartDetail() {
      try {
        const res = await getDepartDetail(this.id)
        // console.log('loadDepartDetail', res)
        // 保存数据
        this.form = res.data
      } catch (err) {
        console.log('loadDepartDetail', err)
      }
    },
    // 实现编辑功能
    async hEdit() {
      try {
        await updateDepartments(this.form)
        // console.log('hEdit', res)
        this.$emit('success')

        // 保存数据
      } catch (err) {
        console.log('hEdit', err)
      }
    },
    // 实现添加
    async hAdd() {
      try {
        // 需要获取pid???
        await addDepartments({ ...this.form, pid: this.id })
        // console.log('addDepartments', res)
        // 保存数据
        this.$emit('success')
      } catch (err) {
        console.log('addDepartments', err)
      }
    },
    // 确定
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.hEdit() : this.hAdd()
      })
    },
    // 取消
    hCancel() {
      this.$emit('close')
    },

    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        // console.log('getEmployeeSimple', res)
        this.list = res.data
        // 保存数据
      } catch (err) {
        console.log('getEmployeeSimple', err)
      }
    }
  }
}
</script>

<style>

</style>
